Las Vegas Weather: Forecast, Trends & Travel Tips (2025 Guide)
🔥 Summer Swelter & Monsoon Flare-Ups
Las Vegas endures its hottest season from early June through mid-September, with July typically being the peak: daily highs around 104–105 °F (40–41 °C) and nighttime lows often near 80 °F (27 °C). This week, highs range between 103–107 °F with sunny skies and mid-week thunderstorm chances.
Despite low humidity (under 20%), the North American Monsoon brings sudden, intense summer thunderstorms. These can include flash floods, strong winds, and hail—especially in July and August.
🌸 Spring & Autumn: The Sweet Seasons
Spring (March–May) is mild and sunny, with daytime highs between 70–85°F (21–29°C) and lows in the 50s°F. Fall (September–November) starts hot (80s–90s°F) and gradually cools to the 70s and 50s by November, making both seasons ideal for outdoor activities.
❄️ Winter in the Desert
Winter is short and dry. Expect daytime highs around 55–65°F (13–18°C) and lows near 40°F (4–7°C). December is the coldest month. Snow is rare in the valley, though the nearby mountains may receive some snowfall.
☀️ Sunshine & Dry Conditions
Las Vegas averages around 310 sunny days per year, making it one of the sunniest places in the U.S. Rain is minimal, with total yearly precipitation around 4–5 inches. Most rainfall occurs during the winter or in monsoon season.
📈 2025 Climate Highlights
- July 2024 was the hottest month on record with mean highs around 111.5°F.
- Autumns in Vegas have warmed by over 6°F since 1970.
- June 2025 brought rare early monsoon storms and flash flood watches.
🗓 This Week's Las Vegas Forecast (July 1–7, 2025)
- Tuesday: High 102°F, some clouds and brief showers
- Wednesday: High 96°F, sunny with scattered storms
- Thursday–Sunday: Hot and sunny, highs 103–107°F
✅ Tips for Dealing with Las Vegas Weather
- Stay hydrated and avoid outdoor exposure from 11am to 4pm.
- Use sunscreen and wear breathable clothing.
- Seek shade or air-conditioning during peak heat.
- Never drive through floodwater during monsoon storms.
📊 Seasonal Overview at a Glance
| Season | High / Low Temps | Rainfall | Conditions |
|---|---|---|---|
| Winter | 55–65°F / ~40°F | Light | Mild days, cool nights |
| Spring | 70–85°F / 50s°F | Occasional | Ideal for travel |
| Summer | 100–110°F / 80°F | Storms possible | Extreme heat, monsoon season |
| Autumn | 80–95°F to 60°F | Dry | Comfortable transition |
🧭 Final Takeaway
Whether you're visiting Las Vegas for the casinos, hiking trails, or shows, being prepared for the climate is crucial. Summers can be dangerously hot, winters are mild, and the rest of the year offers ideal weather for exploring. Plan ahead, stay safe, and enjoy the desert city all year long!